Allow assertions to be enabled in Blink Release builds.

Source/core/rendering/InlineBox.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 22 matching lines @@
 #endif
 
 namespace WebCore {
 
 struct SameSizeAsInlineBox {
     virtual ~SameSizeAsInlineBox() { }
     void* a[4];
     FloatPoint b;
     float c;
     uint32_t d : 32;
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
     bool f;
 #endif
 };
 
 COMPILE_ASSERT(sizeof(InlineBox) == sizeof(SameSizeAsInlineBox), InlineBox_size_guard);
 
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
 
 InlineBox::~InlineBox()
 {
     if (!m_hasBadParent && m_parent)
         m_parent->setHasBadChildList();
 }
 
 #endif
 
 void InlineBox::remove(MarkLineBoxes markLineBoxes)
@@ skipping 300 matching lines @@
         b->showTreeForThis();
 }
 
 void showLineTree(const WebCore::InlineBox* b)
 {
     if (b)
         b->showLineTreeForThis();
 }
 
 #endif